Block stacking game piece



FIG. 1 is a top perspective view of the block stacking game piece;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a front view thereof; and,

FIG. 7 is a back view thereof. 

CLAIM The ornamental design for a block stacking game piece, as shown and described. 